document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=189691>Question 189691</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given:<BR>\n" );
document.write( "Angle AOC and angle COB form a linear pair.<BR>\n" );
document.write( "Ray OD and ray OE are the angle bisectors of the angles in the linear pair.\r<BR>\n" );
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document.write( "Prove:<BR>\n" );
document.write( "Measurement andgle DOE = 90 degrees </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #142339 by </B><A HREF=/tutors/aboutme.mpl?userid=user_dude2008><B>user_dude2008(1862)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=user_dude2008><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=142339\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Draw a pic to see what's happening\r<BR>\n" );
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document.write( "1. AOC+COB=180 ...................... Given (linear pairs add to 180)<BR>\n" );
document.write( "2. AOD+DOC+COE+EOB=180 ..... Break up angles (the drawing helps)<BR>\n" );
document.write( "3. DOC+DOC+COE+COE=180 ..... Substitute<BR>\n" );
document.write( "4. 2*DOC+2*COE=180 ......... Combine terms <BR>\n" );
document.write( "5. 2(DOC+COE)=180 .......... Factor<BR>\n" );
document.write( "6. DOC+COE=90 .............. Divide<BR>\n" );
document.write( "7. DOE=90 .................. Add angles </SPAN>\n" );
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